Mixup PrismThe concept of the mixup cube applied to a triangular prism.
Modular CubeA Skewb 3x3x3 that was redesigned and bandaged. Implements PSL(3,2)
Morning SliceA stellated dodecahedron with the axis system of a face turning icosahedron.
Morning StarCould be viewed as a shape variant of a Cross Starminx I but it has five logical layers.
Morph KilominxA Kilominx turned by 90° inside its solid. A puzzle with still with a high order of symmetry.
MorphminxA megaminx twisted by 90° around an edge inside its solid.
Multi Gear Cube KitA generalized version of the Paso Doble. It allows all kinds of gearing ratios between opposite sides for all three axes.
Multi-24-CubeThe concept of the Multi-Puzzles applied to a 24 cube.
Multi-StarminxA Starminx with some internal pieces exposed and stickered.
Mystic CharmA hexagonal dipyramid with two different turns per corner. A jumbling only puzzle.
Mystic Charm PlusAn unbandaged variant of Mystic Charm which has to turned many times until it behaves like the jumbling puzzle that it is.
Mystic UrnThe 3rd installment of the Mystic Series, a series of face turning hexagonal dipyramids, jumbling only puzzles.